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Issues: microsoft/TypeScript

TypeScript 4.8 Iteration Plan

#49074 opened May 11, 2022 by DanielRosenwasser

Open 11

Labels 143 Milestones 6

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Issues list

Inconsistent error with Self-Referential Super Class this Type Reference

#49672 opened Jun 24, 2022 by frank-weindel

Typescript 4.7 package.json exports

#49670 opened Jun 24, 2022 by stoivo

Support opting-out of type narrowing on assignment Awaiting More Feedback

This means we'd like to hear from more people who would be helped by this feature

Suggestion

An idea for TypeScript

#49669 opened Jun 24, 2022 by fabiospampinato

5 tasks done

Spreading an array inside an object where an array is expected doesn't cause a type error Duplicate

An existing issue was already created

#49667 opened Jun 24, 2022 by lucaslcode

Object literals allow duplicate [Enum.member]: ... keys

#49666 opened Jun 24, 2022 by pushkine

Automatically deduce the parameter type in the callback function Question

An issue which isn't directly actionable in code

#49665 opened Jun 24, 2022 by Sylvenas

error TS2365: Operator '+' cannot be applied to types 'string | number' and 'string | number'. Design Limitation

Constraints of the existing architecture prevent this from being fixed

#49661 opened Jun 23, 2022 by borisovg

Omit outputting incorrect types for types with mixed [key: string]: string | undefined and defined field types Working as Intended

The behavior described is the intended behavior; this is not a bug

#49656 opened Jun 23, 2022 by james-reed-toshi

Changes in .ts files are ignored on 2nd and next builds for indirect includes (--build) Working as Intended

The behavior described is the intended behavior; this is not a bug

#49655 opened Jun 23, 2022 by michal-minich

Two same types (mapped type of generic param) are not assignable to each other

#49653 opened Jun 23, 2022 by csr632

Missing async keyword when using import() while outputting CommonJS modules Fix Available

A PR has been opened for this issue

#49652 opened Jun 23, 2022 by kaylendog

Allow spreading Parameters<T> into a named tuple In Discussion

Not yet reached consensus

Suggestion

An idea for TypeScript

#49647 opened Jun 23, 2022 by Svish

4 of 5 tasks

Add new setting to control JSX quote style

#49657 opened Jun 23, 2022 by ianstormtaylor

Infinite recursion with generics and recursive Promise type Bug

A bug in TypeScript

Help Wanted

You can do this

#49646 opened Jun 22, 2022 by nicolo-ribaudo Backlog

Ineffective union discrimination based on object property Bug

A bug in TypeScript

Help Wanted

You can do this

#49643 opened Jun 22, 2022 by nicolo-ribaudo Backlog

Missing some item docs in Intellisense from JSDoc in getters/setters (4.0+) Bug

A bug in TypeScript

Domain: Quick Info

e.g. hover text, tool-tips, and tooltips.

Help Wanted

You can do this

#49642 opened Jun 22, 2022 by chriskrycho Backlog

exported const arrow function returning never: no CFA Design Limitation

Constraints of the existing architecture prevent this from being fixed

#49640 opened Jun 22, 2022 by ryanrhee

Combination of intersection type, mapped type and generic type seem to break type checks for nested properties Bug

A bug in TypeScript

Help Wanted

You can do this

#49638 opened Jun 22, 2022 by SevInf Backlog

TSserver taking 3x longer than tsc to run updateGraphWorker

#49633 opened Jun 22, 2022 by david-987

Discriminate the type of a value that is dynamically accessed, based on a type guard Awaiting More Feedback

This means we'd like to hear from more people who would be helped by this feature

Suggestion

An idea for TypeScript

#49632 opened Jun 22, 2022 by JesusTheHun

5 tasks done

node16 module resolution bugs Needs Investigation

This issue needs a team member to investigate its status.

#49631 opened Jun 22, 2022 by jpzwarte TypeScript 4.8.1

Crash in find-all-refs/rename when using module.exports/export= with arrays/primitives

#49629 opened Jun 22, 2022 by DanielRosenwasser

Can't check and maping types by string keys Design Limitation

Constraints of the existing architecture prevent this from being fixed

#49628 opened Jun 22, 2022 by instant1100

Destructured union of tuples with non-uniform length results in diagnostic when narrowing Experience Enhancement

Noncontroversial enhancements

Suggestion

An idea for TypeScript

#49626 opened Jun 22, 2022 by Fireboltofdeath Backlog

Signature help suppresses arity error in editor Bug

A bug in TypeScript

#49624 opened Jun 22, 2022 by andrewbranch TypeScript 4.8.1

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ProTip! What’s not been updated in a month: updated:<2022-05-24.